AU2004274686B2 - Magnetic gradient winding system comprising circular solenoid coils - Google Patents

Magnetic gradient winding system comprising circular solenoid coils Download PDF

Info

Publication number: AU2004274686B2
Authority: AU; Australia
Prior art keywords: coils; machine; gradient; annular space; tubes
Prior art date: 2003-09-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Ceased

Application number

AU2004274686A

Other languages

English (en)

Other versions

AU2004274686A1 (en

Inventor

Guy Aubert

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Commissariat a lEnergie Atomique et aux Energies Alternatives CEA

Original Assignee

Commissariat a lEnergie Atomique CEA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2003-09-15

Filing date

2004-09-02

Publication date

2010-04-01

2004-09-02 Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA

2005-03-31 Publication of AU2004274686A1 publication Critical patent/AU2004274686A1/en

2010-04-01 Application granted granted Critical

2010-04-01 Publication of AU2004274686B2 publication Critical patent/AU2004274686B2/en

2024-09-02 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Links

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Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly

Landscapes

Physics & Mathematics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
Magnetic Resonance Imaging Apparatus (AREA)

AU2004274686A 2003-09-15 2004-09-02 Magnetic gradient winding system comprising circular solenoid coils Ceased AU2004274686B2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FR0350541		2003-09-15
FR0350541A FR2859791B1 (fr)	2003-09-15	2003-09-15	Machine de rmn avec bobines de gradient perfectionnees
PCT/FR2004/050411 WO2005029110A2 (fr)	2003-09-15	2004-09-02	Systeme d’enroulement de gradient magnetique comprenant des bobines solenoidales circulaires

Publications (2)

Publication Number	Publication Date
AU2004274686A1 AU2004274686A1 (en)	2005-03-31
AU2004274686B2 true AU2004274686B2 (en)	2010-04-01

Family

ID=34203541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2004274686A Ceased AU2004274686B2 (en)	2003-09-15	2004-09-02	Magnetic gradient winding system comprising circular solenoid coils

Country Status (8)

Country	Link
US (1)	US7403009B2 (fr)
EP (1)	EP1692534B1 (fr)
JP (1)	JP4716992B2 (fr)
AU (1)	AU2004274686B2 (fr)
CA (1)	CA2539175C (fr)
FR (1)	FR2859791B1 (fr)
IL (1)	IL174332A0 (fr)
WO (1)	WO2005029110A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2892523B1 (fr) *	2005-10-26	2008-02-22	Commissariat Energie Atomique	Machine de rmn a compensation des courants de foucault.
FR2892524B1 (fr)	2005-10-26	2008-02-08	Commissariat Energie Atomique	Machine de rmn a bobines de gradient solenoidales incorporees dans des tubes.
FR2978834B1 (fr) *	2011-08-01	2014-05-16	Commissariat Energie Atomique	Procede et systeme de generation de gradients de champ magnetique pour machine d'imagerie a rmn
FR2999723B1 (fr)	2012-12-14	2015-03-06	Commissariat Energie Atomique	Dispositif de generation d'un champ magnetique orientable et localement homogene.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4985679A (en) *	1984-12-21	1991-01-15	Oxford Magnet Technology Limited	Magnet assembly
US5530355A (en) *	1993-05-13	1996-06-25	Doty Scientific, Inc.	Solenoidal, octopolar, transverse gradient coils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2588997B1 (fr)	1985-10-18	1987-11-20	Thomson Cgr	Procede de realisation d'une bobine de gradient et bobine obtenue par ce procede
FR2621125B1 (fr)	1987-09-28	1989-12-08	Thomson Cgr	Systeme de bobines de gradient pour machine de rmn
DE4029477C2 (de) *	1989-09-29	1994-06-01	Siemens Ag	Tesserale Gradientenspule für Kernspin-Tomographiegeräte
DE19913124C1 (de) *	1999-03-23	2000-10-26	Siemens Ag	Schaltbare longitudinale Gradientenspule

2003
- 2003-09-15 FR FR0350541A patent/FR2859791B1/fr not_active Expired - Fee Related
2004
- 2004-09-02 WO PCT/FR2004/050411 patent/WO2005029110A2/fr not_active Ceased
- 2004-09-02 AU AU2004274686A patent/AU2004274686B2/en not_active Ceased
- 2004-09-02 JP JP2006526667A patent/JP4716992B2/ja not_active Expired - Fee Related
- 2004-09-02 EP EP04816192.1A patent/EP1692534B1/fr not_active Expired - Lifetime
- 2004-09-02 US US10/571,962 patent/US7403009B2/en not_active Expired - Lifetime
- 2004-09-02 CA CA2539175A patent/CA2539175C/fr not_active Expired - Fee Related
2006
- 2006-03-15 IL IL174332A patent/IL174332A0/en unknown

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4985679A (en) *	1984-12-21	1991-01-15	Oxford Magnet Technology Limited	Magnet assembly
US5530355A (en) *	1993-05-13	1996-06-25	Doty Scientific, Inc.	Solenoidal, octopolar, transverse gradient coils

Also Published As

Publication number	Publication date
AU2004274686A1 (en)	2005-03-31
JP4716992B2 (ja)	2011-07-06
CA2539175A1 (fr)	2005-03-31
IL174332A0 (en)	2006-08-01
EP1692534A2 (fr)	2006-08-23
EP1692534B1 (fr)	2013-05-15
FR2859791B1 (fr)	2007-06-08
WO2005029110A3 (fr)	2005-08-18
US20070052418A1 (en)	2007-03-08
US7403009B2 (en)	2008-07-22
JP2007505665A (ja)	2007-03-15
FR2859791A1 (fr)	2005-03-18
CA2539175C (fr)	2013-07-09
WO2005029110A2 (fr)	2005-03-31

Legal Events

Date	Code	Title	Description
2010-07-29	FGA	Letters patent sealed or granted (standard patent)
2014-03-27	MK14	Patent ceased section 143(a) (annual fees not paid) or expired

Publication	Publication Date	Title
KR970004567B1 (ko)	1997-03-29	영구자석을 사용한 원통형 핵자기 공명 바이어스 자석장치 및 그 제작방법
CA1198164A (fr)	1985-12-17	Electroaimant pour tomographie par resonance magnetique nucleaire
US5406204A (en)	1995-04-11	Integrated MRI gradient coil and RF screen
EP0629873A1 (fr)	1994-12-21	Combinaison de bobines de gradients auto-blindées avec ensemble d'équilibrage
US7071694B1 (en)	2006-07-04	Magnet assembly of an MRI system with concentric annular ferromagnetic laminations
JPH069172B2 (ja)	1994-02-02	磁石装置及びその使用方法
EP1725886B1 (fr)	2012-09-26	Bobine de gradient ultracourte asymetrique pour un systeme d'imagerie par resonance magnetique
GB2276945A (en)	1994-10-12	MRI magnet with both ferromagnetic and permanent magnet field correction
US6255928B1 (en)	2001-07-03	Magnet having a shim for a laminated pole piece
US4893083A (en)	1990-01-09	Magnetic resonance apparatus comprising integrated gradient r.f. coils
US5083085A (en)	1992-01-21	Compact shielded gradient coil system
US6078177A (en)	2000-06-20	Flared gradient coil set with a finite shield current
EP0222281B1 (fr)	1991-01-30	Appareil d'imagerie par résonance magnétique nucléaire
JPH0669027A (ja)	1994-03-11	磁場発生装置
AU2004274686B2 (en)	2010-04-01	Magnetic gradient winding system comprising circular solenoid coils
EP0210289B1 (fr)	1992-03-04	Bobines de correction supraconductrices pour l'obtention d'un champ magnétique à haute homogénéité
JP2005152632A (ja)	2005-06-16	補助的な静磁場成形コイルを利用するｍｒｉシステム
EP1102080A2 (fr)	2001-05-23	Bobines à gradient pour l'imagerie par résonance magnétique
EP0154996A2 (fr)	1985-09-18	Appareil de production d'images par résonance magnétique au moyen de bobines de correction réglables
GB2201793A (en)	1988-09-07	Compact transverse magnetic gradient coils and dimensioning method therefor
JP5198275B2 (ja)	2013-05-15	ソレノイド型勾配コイルを有するｎｍｒ機械
US7786730B2 (en)	2010-08-31	NMR machine comprising solenoid gradient coils which are incorporated into tubes
JP4142011B2 (ja)	2008-08-27	磁場生成組立体及び方法
JPH10155765A (ja)	1998-06-16	閉構造磁気共鳴イメージング・マグネット
US20140239954A1 (en)	2014-08-28	Method and System for Generating Magnetic Field Gradients for an NMR Imaging Machine